Year-round weather and climate in Istanbul, Türkiye

Average temperatures in Istanbul run from an average low of 5°C41°F in February up to an average high of 31°C88°F in July. August is the driest month at 1 rainy days; December the wettest at 14. Here is the annual climate data, so you know what you are packing for.

Loading map…

Good to know

Population
15.7M
Currency
TRY
Language
Turkish
Time zone
Istanbul

Best time to visit

The most pleasant weather falls in June, July, and August, offering a perfect balance of comfortable temperatures and clear skies.

Rain character

Tropical Downpours: Expect intense bursts of rain during wetter months. Pack quick-drying footwear and a compact umbrella.

Day-to-night swing

Evening Chill: Temperatures drop by a noticeable 9°C16°F when the sun goes down. A light sweater or jacket is usually all you need for evening plans.

Seasonality Profile

Mediterranean: Hot, bone-dry summers giving way to mild, occasionally wet winters.

Evening vibe

Seasonal Terraces: During the more temperate months, the city opens up with lively outdoor terraces. For the rest of the year, expect to dine indoors.

Sightseeing stamina

All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.

Average temperatures, sunshine, and rainfall

Average monthly weather in Istanbul, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.

Bars span the average daily low to high. Aug is typically driest at 1 days (8mm); Dec the wettest at 14 days (130mm).

Average monthly weather in Istanbul, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
MonthAverage highAverage lowSunshine hoursRainy daysTotal rainfall
Jan11°C / 52°F6°C / 42°F6h1261mm
Feb11°C / 52°F5°C / 41°F7h737mm
Mar13°C / 56°F6°C / 43°F7h13101mm
Apr18°C / 64°F10°C / 51°F9h1183mm
May20°C / 67°F12°C / 54°F10h1369mm
Jun27°C / 81°F19°C / 66°F13h527mm
Jul31°C / 88°F22°C / 71°F14h521mm
Aug31°C / 87°F22°C / 72°F12h18mm
Sep27°C / 81°F19°C / 66°F11h1083mm
Oct22°C / 71°F15°C / 58°F9h526mm
Nov16°C / 61°F11°C / 51°F6h11178mm
Dec12°C / 54°F8°C / 46°F5h14130mm

Weather data by Open-Meteo.com (opens in a new tab)

Frequently Asked Questions

When is the sunniest time of year to visit Istanbul?

The most sunshine in Istanbul comes around July, averaging 14 hours a month. If you're heading there then, pack your sunglasses and sunscreen.

What clothes should I pack for Istanbul?

Your packing list depends entirely on when you travel. Temperatures in Istanbul swing from an average low of 5°C41°F in February up to 31°C88°F in July. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.

Do I need to pack an umbrella for Istanbul?

Istanbul gets rain on about 107 days out of the year. The wettest month is December. If you're traveling during the rainy season, you'll definitely want to pack an umbrella and a light rain jacket.

Going to Istanbul?

Pack smarter.

Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Istanbul with Packola.

Get the app